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<head><meta charset="utf-8"><title>meeting 2019.10.08 · wg-async-foundations · Zulip Chat Archive</title></head>
<h2>Stream: <a href="https://rust-lang.github.io/zulip_archive/stream/187312-wg-async-foundations/index.html">wg-async-foundations</a></h2>
<h3>Topic: <a href="https://rust-lang.github.io/zulip_archive/stream/187312-wg-async-foundations/topic/meeting.202019.2E10.2E08.html">meeting 2019.10.08</a></h3>

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<a name="177636137"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/187312-wg-async-foundations/topic/meeting%202019.10.08/near/177636137" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/187312-wg-async-foundations/topic/meeting.202019.2E10.2E08.html#177636137">(Oct 08 2019 at 17:02)</a>:</h4>
<p>Hey <span class="user-group-mention" data-user-group-id="1172">@WG-async-foundations</span> -- sync?</p>



<a name="177636204"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/187312-wg-async-foundations/topic/meeting%202019.10.08/near/177636204" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/187312-wg-async-foundations/topic/meeting.202019.2E10.2E08.html#177636204">(Oct 08 2019 at 17:02)</a>:</h4>
<p>We've got a bunch of <a href="https://github.com/search?q=org%3Arust-lang+is%3Aissue+label%3AA-async-await+is%3Aopen+-label%3AAsyncAwait-Triaged&amp;type=Issues" target="_blank" title="https://github.com/search?q=org%3Arust-lang+is%3Aissue+label%3AA-async-await+is%3Aopen+-label%3AAsyncAwait-Triaged&amp;type=Issues">uncategorized issues</a></p>



<a name="177636212"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/187312-wg-async-foundations/topic/meeting%202019.10.08/near/177636212" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/187312-wg-async-foundations/topic/meeting.202019.2E10.2E08.html#177636212">(Oct 08 2019 at 17:02)</a>:</h4>
<blockquote>
<p>Async-related type error messages defy expectations (in span location) <a href="https://github.com/rust-lang/rust/issues/65180" target="_blank" title="https://github.com/rust-lang/rust/issues/65180">#65180</a></p>
</blockquote>



<a name="177636238"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/187312-wg-async-foundations/topic/meeting%202019.10.08/near/177636238" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/187312-wg-async-foundations/topic/meeting.202019.2E10.2E08.html#177636238">(Oct 08 2019 at 17:03)</a>:</h4>
<p>going to tag as triaged</p>



<a name="177636244"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/187312-wg-async-foundations/topic/meeting%202019.10.08/near/177636244" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/187312-wg-async-foundations/topic/meeting.202019.2E10.2E08.html#177636244">(Oct 08 2019 at 17:03)</a>:</h4>
<p>not sure if we want to put it "on deck"</p>



<a name="177636262"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/187312-wg-async-foundations/topic/meeting%202019.10.08/near/177636262" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/187312-wg-async-foundations/topic/meeting.202019.2E10.2E08.html#177636262">(Oct 08 2019 at 17:03)</a>:</h4>
<blockquote>
<p>Nightly async fn ICE <a href="https://github.com/rust-lang/rust/issues/65159" target="_blank" title="https://github.com/rust-lang/rust/issues/65159">#65159</a></p>
</blockquote>



<a name="177636274"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/187312-wg-async-foundations/topic/meeting%202019.10.08/near/177636274" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/187312-wg-async-foundations/topic/meeting.202019.2E10.2E08.html#177636274">(Oct 08 2019 at 17:03)</a>:</h4>
<p>seems to be my fault</p>



<a name="177636358"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/187312-wg-async-foundations/topic/meeting%202019.10.08/near/177636358" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/187312-wg-async-foundations/topic/meeting.202019.2E10.2E08.html#177636358">(Oct 08 2019 at 17:04)</a>:</h4>
<p>I guess i'll self-assign and try to investigate tomorrow</p>



<a name="177636399"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/187312-wg-async-foundations/topic/meeting%202019.10.08/near/177636399" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/187312-wg-async-foundations/topic/meeting.202019.2E10.2E08.html#177636399">(Oct 08 2019 at 17:04)</a>:</h4>
<blockquote>
<p>check_mod_item_types query times regressed bigly <a href="https://github.com/rust-lang/rust/issues/65147" target="_blank" title="https://github.com/rust-lang/rust/issues/65147">#65147</a></p>
</blockquote>



<a name="177636443"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/187312-wg-async-foundations/topic/meeting%202019.10.08/near/177636443" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/187312-wg-async-foundations/topic/meeting.202019.2E10.2E08.html#177636443">(Oct 08 2019 at 17:05)</a>:</h4>
<p><span class="user-mention" data-user-id="116883">@tmandry</span> shall I assign this to you?</p>



<a name="177636462"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/187312-wg-async-foundations/topic/meeting%202019.10.08/near/177636462" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/187312-wg-async-foundations/topic/meeting.202019.2E10.2E08.html#177636462">(Oct 08 2019 at 17:05)</a>:</h4>
<p>do you need assistance?</p>



<a name="177636505"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/187312-wg-async-foundations/topic/meeting%202019.10.08/near/177636505" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> centril <a href="https://rust-lang.github.io/zulip_archive/stream/187312-wg-async-foundations/topic/meeting.202019.2E10.2E08.html#177636505">(Oct 08 2019 at 17:06)</a>:</h4>
<blockquote>
<p>seems to be my fault</p>
</blockquote>
<p>Ostensibly this means that we don't backport <a href="https://github.com/rust-lang/rust/pull/64999" target="_blank" title="https://github.com/rust-lang/rust/pull/64999">https://github.com/rust-lang/rust/pull/64999</a> because "risky" ?</p>



<a name="177636573"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/187312-wg-async-foundations/topic/meeting%202019.10.08/near/177636573" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/187312-wg-async-foundations/topic/meeting.202019.2E10.2E08.html#177636573">(Oct 08 2019 at 17:06)</a>:</h4>
<p>plausibly, I was wondering the same</p>



<a name="177636584"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/187312-wg-async-foundations/topic/meeting%202019.10.08/near/177636584" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/187312-wg-async-foundations/topic/meeting.202019.2E10.2E08.html#177636584">(Oct 08 2019 at 17:06)</a>:</h4>
<p>let's see what I come up with tomorrow I guess</p>



<a name="177636619"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/187312-wg-async-foundations/topic/meeting%202019.10.08/near/177636619" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> centril <a href="https://rust-lang.github.io/zulip_archive/stream/187312-wg-async-foundations/topic/meeting.202019.2E10.2E08.html#177636619">(Oct 08 2019 at 17:06)</a>:</h4>
<p>sgtm; thanks</p>



<a name="177636661"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/187312-wg-async-foundations/topic/meeting%202019.10.08/near/177636661" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Taylor Cramer <a href="https://rust-lang.github.io/zulip_archive/stream/187312-wg-async-foundations/topic/meeting.202019.2E10.2E08.html#177636661">(Oct 08 2019 at 17:07)</a>:</h4>
<p><span class="user-mention" data-user-id="116883">@tmandry</span> and I are both in a meeting at work, might be unresponsive</p>



<a name="177636726"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/187312-wg-async-foundations/topic/meeting%202019.10.08/near/177636726" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/187312-wg-async-foundations/topic/meeting.202019.2E10.2E08.html#177636726">(Oct 08 2019 at 17:08)</a>:</h4>
<p>ok. the only other triaged issue is</p>
<blockquote>
<p>Cannot await in scope that contains call to format! <a href="https://github.com/rust-lang/rust/issues/64960" target="_blank" title="https://github.com/rust-lang/rust/issues/64960">#64960</a></p>
</blockquote>



<a name="177636744"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/187312-wg-async-foundations/topic/meeting%202019.10.08/near/177636744" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/187312-wg-async-foundations/topic/meeting.202019.2E10.2E08.html#177636744">(Oct 08 2019 at 17:08)</a>:</h4>
<blockquote>
<p>Attempting to mutate an argument to an async fn that was not marked mut results in this error message:<br>
cannot borrow immutable captured outer variable in an <code>FnOnce</code> closure <code>sender</code> as mutable</p>
</blockquote>



<a name="177636752"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/187312-wg-async-foundations/topic/meeting%202019.10.08/near/177636752" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/187312-wg-async-foundations/topic/meeting.202019.2E10.2E08.html#177636752">(Oct 08 2019 at 17:08)</a>:</h4>
<p>I'm going to just leave that one as "triaged"</p>



<a name="177636758"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/187312-wg-async-foundations/topic/meeting%202019.10.08/near/177636758" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Giles Cope <a href="https://rust-lang.github.io/zulip_archive/stream/187312-wg-async-foundations/topic/meeting.202019.2E10.2E08.html#177636758">(Oct 08 2019 at 17:08)</a>:</h4>
<p>I'm happy to pick up another issue. I think my one's cooked.</p>



<a name="177636777"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/187312-wg-async-foundations/topic/meeting%202019.10.08/near/177636777" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/187312-wg-async-foundations/topic/meeting.202019.2E10.2E08.html#177636777">(Oct 08 2019 at 17:08)</a>:</h4>
<p>oh, great <span class="user-mention" data-user-id="120134">@Giles Cope</span> -- well for now i'm going to assign <a href="https://github.com/rust-lang/rust/issues/65147" target="_blank" title="https://github.com/rust-lang/rust/issues/65147">#65147</a> to <span class="user-mention" data-user-id="116883">@tmandry</span> as a "focus issue"</p>



<a name="177636786"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/187312-wg-async-foundations/topic/meeting%202019.10.08/near/177636786" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> centril <a href="https://rust-lang.github.io/zulip_archive/stream/187312-wg-async-foundations/topic/meeting.202019.2E10.2E08.html#177636786">(Oct 08 2019 at 17:09)</a>:</h4>
<p><span class="user-mention" data-user-id="116009">@nikomatsakis</span> I happened by <a href="https://github.com/rust-lang/rust/issues/64692" target="_blank" title="https://github.com/rust-lang/rust/issues/64692">https://github.com/rust-lang/rust/issues/64692</a> just now... I wonder if we should heed <span class="user-mention" data-user-id="127859">@Taylor Cramer</span>'s advice there and make it a hard error... tho I hear from <span class="user-mention" data-user-id="123856">@Vadim Petrochenkov</span> that the lint is overzealous?</p>



<a name="177636834"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/187312-wg-async-foundations/topic/meeting%202019.10.08/near/177636834" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/187312-wg-async-foundations/topic/meeting.202019.2E10.2E08.html#177636834">(Oct 08 2019 at 17:09)</a>:</h4>
<p>yeah, I don't know. in my opinion that rule should just go away altogether</p>



<a name="177636853"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/187312-wg-async-foundations/topic/meeting%202019.10.08/near/177636853" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/187312-wg-async-foundations/topic/meeting.202019.2E10.2E08.html#177636853">(Oct 08 2019 at 17:09)</a>:</h4>
<p>(private-type-in-public-interface)</p>



<a name="177636861"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/187312-wg-async-foundations/topic/meeting%202019.10.08/near/177636861" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/187312-wg-async-foundations/topic/meeting.202019.2E10.2E08.html#177636861">(Oct 08 2019 at 17:09)</a>:</h4>
<p>but that's a separate thing</p>



<a name="177636925"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/187312-wg-async-foundations/topic/meeting%202019.10.08/near/177636925" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> centril <a href="https://rust-lang.github.io/zulip_archive/stream/187312-wg-async-foundations/topic/meeting.202019.2E10.2E08.html#177636925">(Oct 08 2019 at 17:10)</a>:</h4>
<p>Seems like a bigger discussion <span aria-label="slight smile" class="emoji emoji-1f642" role="img" title="slight smile">:slight_smile:</span></p>



<a name="177636946"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/187312-wg-async-foundations/topic/meeting%202019.10.08/near/177636946" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> centril <a href="https://rust-lang.github.io/zulip_archive/stream/187312-wg-async-foundations/topic/meeting.202019.2E10.2E08.html#177636946">(Oct 08 2019 at 17:10)</a>:</h4>
<p>Ostensibly it's easier to go from errors to not errors</p>



<a name="177636955"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/187312-wg-async-foundations/topic/meeting%202019.10.08/near/177636955" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/187312-wg-async-foundations/topic/meeting.202019.2E10.2E08.html#177636955">(Oct 08 2019 at 17:10)</a>:</h4>
<p>yes.</p>



<a name="177636972"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/187312-wg-async-foundations/topic/meeting%202019.10.08/near/177636972" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/187312-wg-async-foundations/topic/meeting.202019.2E10.2E08.html#177636972">(Oct 08 2019 at 17:10)</a>:</h4>
<p>I guess we could adjust the lint to not be a FCW "iff" inside an async fn</p>



<a name="177636978"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/187312-wg-async-foundations/topic/meeting%202019.10.08/near/177636978" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/187312-wg-async-foundations/topic/meeting.202019.2E10.2E08.html#177636978">(Oct 08 2019 at 17:10)</a>:</h4>
<p>not sure how hard that would be</p>



<a name="177637000"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/187312-wg-async-foundations/topic/meeting%202019.10.08/near/177637000" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> centril <a href="https://rust-lang.github.io/zulip_archive/stream/187312-wg-async-foundations/topic/meeting.202019.2E10.2E08.html#177637000">(Oct 08 2019 at 17:10)</a>:</h4>
<p>I'll cc Vadim on the issue and maybe they have opinions</p>



<a name="177637031"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/187312-wg-async-foundations/topic/meeting%202019.10.08/near/177637031" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/187312-wg-async-foundations/topic/meeting.202019.2E10.2E08.html#177637031">(Oct 08 2019 at 17:11)</a>:</h4>
<p>ok let's check out the <a href="https://github.com/search?q=org%3Arust-lang+is%3Aissue+label%3AAsyncAwait-Focus+is%3Aopen&amp;type=Issues" target="_blank" title="https://github.com/search?q=org%3Arust-lang+is%3Aissue+label%3AAsyncAwait-Focus+is%3Aopen&amp;type=Issues">focus issues</a> to start I guess</p>



<a name="177637067"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/187312-wg-async-foundations/topic/meeting%202019.10.08/near/177637067" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/187312-wg-async-foundations/topic/meeting.202019.2E10.2E08.html#177637067">(Oct 08 2019 at 17:11)</a>:</h4>
<p><a href="https://github.com/rust-lang/rust/issues/65159" target="_blank" title="https://github.com/rust-lang/rust/issues/65159">#65159</a> and <a href="https://github.com/rust-lang/rust/issues/65147" target="_blank" title="https://github.com/rust-lang/rust/issues/65147">#65147</a> we just created</p>



<a name="177637080"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/187312-wg-async-foundations/topic/meeting%202019.10.08/near/177637080" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/187312-wg-async-foundations/topic/meeting.202019.2E10.2E08.html#177637080">(Oct 08 2019 at 17:12)</a>:</h4>
<blockquote>
<p>Consider async blocks on lifetime errors <a href="https://github.com/rust-lang/rust/issues/64382" target="_blank" title="https://github.com/rust-lang/rust/issues/64382">#64382</a></p>
</blockquote>



<a name="177637128"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/187312-wg-async-foundations/topic/meeting%202019.10.08/near/177637128" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/187312-wg-async-foundations/topic/meeting.202019.2E10.2E08.html#177637128">(Oct 08 2019 at 17:12)</a>:</h4>
<p><span class="user-mention" data-user-id="116773">@csmoe</span> opened <a href="https://github.com/rust-lang/rust/pull/65166" target="_blank" title="https://github.com/rust-lang/rust/pull/65166">https://github.com/rust-lang/rust/pull/65166</a></p>



<a name="177637135"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/187312-wg-async-foundations/topic/meeting%202019.10.08/near/177637135" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/187312-wg-async-foundations/topic/meeting.202019.2E10.2E08.html#177637135">(Oct 08 2019 at 17:12)</a>:</h4>
<p>it's R+'d</p>



<a name="177637138"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/187312-wg-async-foundations/topic/meeting%202019.10.08/near/177637138" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/187312-wg-async-foundations/topic/meeting.202019.2E10.2E08.html#177637138">(Oct 08 2019 at 17:12)</a>:</h4>
<p>awesome!</p>



<a name="177637154"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/187312-wg-async-foundations/topic/meeting%202019.10.08/near/177637154" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/187312-wg-async-foundations/topic/meeting.202019.2E10.2E08.html#177637154">(Oct 08 2019 at 17:12)</a>:</h4>
<blockquote>
<p>non-send futures error at point of use, but could cite point of definition in some cases <a href="https://github.com/rust-lang/rust/issues/64130" target="_blank" title="https://github.com/rust-lang/rust/issues/64130">#64130</a></p>
</blockquote>



<a name="177637166"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/187312-wg-async-foundations/topic/meeting%202019.10.08/near/177637166" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/187312-wg-async-foundations/topic/meeting.202019.2E10.2E08.html#177637166">(Oct 08 2019 at 17:12)</a>:</h4>
<p><span class="user-mention" data-user-id="116107">@davidtwco</span> was doing some work I know</p>



<a name="177637172"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/187312-wg-async-foundations/topic/meeting%202019.10.08/near/177637172" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/187312-wg-async-foundations/topic/meeting.202019.2E10.2E08.html#177637172">(Oct 08 2019 at 17:12)</a>:</h4>
<p>don't see a fresh PR yet</p>



<a name="177637195"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/187312-wg-async-foundations/topic/meeting%202019.10.08/near/177637195" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/187312-wg-async-foundations/topic/meeting.202019.2E10.2E08.html#177637195">(Oct 08 2019 at 17:12)</a>:</h4>
<blockquote>
<p>unused-lifetimes lint false-positives with async functions <a href="https://github.com/rust-lang/rust/issues/61115" target="_blank" title="https://github.com/rust-lang/rust/issues/61115">#61115</a></p>
</blockquote>



<a name="177637207"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/187312-wg-async-foundations/topic/meeting%202019.10.08/near/177637207" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Taylor Cramer <a href="https://rust-lang.github.io/zulip_archive/stream/187312-wg-async-foundations/topic/meeting.202019.2E10.2E08.html#177637207">(Oct 08 2019 at 17:13)</a>:</h4>
<p>Didn't we already land an RFC to make private-in-public a lint rather than hard error?</p>



<a name="177637220"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/187312-wg-async-foundations/topic/meeting%202019.10.08/near/177637220" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/187312-wg-async-foundations/topic/meeting.202019.2E10.2E08.html#177637220">(Oct 08 2019 at 17:13)</a>:</h4>
<p><span class="user-mention" data-user-id="120134">@Giles Cope</span> opened <a href="https://github.com/rust-lang/rust/issues/64603" target="_blank" title="https://github.com/rust-lang/rust/issues/64603">#64603</a></p>



<a name="177637228"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/187312-wg-async-foundations/topic/meeting%202019.10.08/near/177637228" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/187312-wg-async-foundations/topic/meeting.202019.2E10.2E08.html#177637228">(Oct 08 2019 at 17:13)</a>:</h4>
<blockquote>
<p>Didn't we already land an RFC to make private-in-public a lint rather than hard error?</p>
</blockquote>
<p>I feel like yes</p>



<a name="177637231"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/187312-wg-async-foundations/topic/meeting%202019.10.08/near/177637231" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Taylor Cramer <a href="https://rust-lang.github.io/zulip_archive/stream/187312-wg-async-foundations/topic/meeting.202019.2E10.2E08.html#177637231">(Oct 08 2019 at 17:13)</a>:</h4>
<p>It was one of <span class="user-mention" data-user-id="123856">@Vadim Petrochenkov</span> 's IIRC</p>



<a name="177637243"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/187312-wg-async-foundations/topic/meeting%202019.10.08/near/177637243" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/187312-wg-async-foundations/topic/meeting.202019.2E10.2E08.html#177637243">(Oct 08 2019 at 17:13)</a>:</h4>
<p>we definitely talked about it</p>



<a name="177637275"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/187312-wg-async-foundations/topic/meeting%202019.10.08/near/177637275" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Giles Cope <a href="https://rust-lang.github.io/zulip_archive/stream/187312-wg-async-foundations/topic/meeting.202019.2E10.2E08.html#177637275">(Oct 08 2019 at 17:13)</a>:</h4>
<p>yep  <a href="https://github.com/rust-lang/rust/issues/64603" target="_blank" title="https://github.com/rust-lang/rust/issues/64603">#64603</a> is pending review.</p>



<a name="177637345"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/187312-wg-async-foundations/topic/meeting%202019.10.08/near/177637345" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/187312-wg-async-foundations/topic/meeting.202019.2E10.2E08.html#177637345">(Oct 08 2019 at 17:14)</a>:</h4>
<blockquote>
<p>async/await: awaiting inside a match block captures borrow too eagerly <a href="https://github.com/rust-lang/rust/issues/57017" target="_blank" title="https://github.com/rust-lang/rust/issues/57017">#57017</a></p>
</blockquote>



<a name="177637347"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/187312-wg-async-foundations/topic/meeting%202019.10.08/near/177637347" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Taylor Cramer <a href="https://rust-lang.github.io/zulip_archive/stream/187312-wg-async-foundations/topic/meeting.202019.2E10.2E08.html#177637347">(Oct 08 2019 at 17:14)</a>:</h4>
<p>yeah it's <a href="https://github.com/rust-lang/rfcs/blob/master/text/2145-type-privacy.md" target="_blank" title="https://github.com/rust-lang/rfcs/blob/master/text/2145-type-privacy.md">https://github.com/rust-lang/rfcs/blob/master/text/2145-type-privacy.md</a></p>



<a name="177637387"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/187312-wg-async-foundations/topic/meeting%202019.10.08/near/177637387" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/187312-wg-async-foundations/topic/meeting.202019.2E10.2E08.html#177637387">(Oct 08 2019 at 17:14)</a>:</h4>
<p>so I had self-assigned this to do some prelim exploration; I didn't get to it last week, but could plausibly do it this week. I was basically going to try to insert a call to create the MIR at the point where we compute interior types and see how badly things break</p>



<a name="177637417"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/187312-wg-async-foundations/topic/meeting%202019.10.08/near/177637417" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> davidtwco <a href="https://rust-lang.github.io/zulip_archive/stream/187312-wg-async-foundations/topic/meeting.202019.2E10.2E08.html#177637417">(Oct 08 2019 at 17:15)</a>:</h4>
<blockquote>
<p><span class="user-mention silent" data-user-id="116107">davidtwco</span> was doing some work I know</p>
</blockquote>
<p>I hope to have it up tonight or tomorrow.</p>



<a name="177637437"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/187312-wg-async-foundations/topic/meeting%202019.10.08/near/177637437" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/187312-wg-async-foundations/topic/meeting.202019.2E10.2E08.html#177637437">(Oct 08 2019 at 17:15)</a>:</h4>
<p>I could imagine handing off that exploration, but maybe better to look first at other on-deck issues</p>



<a name="177637448"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/187312-wg-async-foundations/topic/meeting%202019.10.08/near/177637448" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/187312-wg-async-foundations/topic/meeting.202019.2E10.2E08.html#177637448">(Oct 08 2019 at 17:15)</a>:</h4>
<blockquote>
<p>yeah it's <a href="https://github.com/rust-lang/rfcs/blob/master/text/2145-type-privacy.md" target="_blank" title="https://github.com/rust-lang/rfcs/blob/master/text/2145-type-privacy.md">https://github.com/rust-lang/rfcs/blob/master/text/2145-type-privacy.md</a></p>
</blockquote>
<p><span class="user-mention" data-user-id="126931">@centril</span> <span aria-label="point up" class="emoji emoji-1f446" role="img" title="point up">:point_up:</span> not sure whether that means this whole FCW should just be removed or what</p>



<a name="177637521"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/187312-wg-async-foundations/topic/meeting%202019.10.08/near/177637521" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> centril <a href="https://rust-lang.github.io/zulip_archive/stream/187312-wg-async-foundations/topic/meeting.202019.2E10.2E08.html#177637521">(Oct 08 2019 at 17:16)</a>:</h4>
<p>guess I need to re-read that RFC again</p>



<a name="177637533"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/187312-wg-async-foundations/topic/meeting%202019.10.08/near/177637533" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/187312-wg-async-foundations/topic/meeting.202019.2E10.2E08.html#177637533">(Oct 08 2019 at 17:16)</a>:</h4>
<p>maybe ping <span class="user-mention" data-user-id="123856">@Vadim Petrochenkov</span> to ask their opinion on the issue, they ought to know</p>



<a name="177637560"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/187312-wg-async-foundations/topic/meeting%202019.10.08/near/177637560" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> centril <a href="https://rust-lang.github.io/zulip_archive/stream/187312-wg-async-foundations/topic/meeting.202019.2E10.2E08.html#177637560">(Oct 08 2019 at 17:16)</a>:</h4>
<p>yea, we pinged them few times by now collectively :D</p>



<a name="177637586"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/187312-wg-async-foundations/topic/meeting%202019.10.08/near/177637586" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> centril <a href="https://rust-lang.github.io/zulip_archive/stream/187312-wg-async-foundations/topic/meeting.202019.2E10.2E08.html#177637586">(Oct 08 2019 at 17:16)</a>:</h4>
<p>(I thought it was just a partial relaxation...)</p>



<a name="177637587"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/187312-wg-async-foundations/topic/meeting%202019.10.08/near/177637587" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/187312-wg-async-foundations/topic/meeting.202019.2E10.2E08.html#177637587">(Oct 08 2019 at 17:16)</a>:</h4>
<p>current <a href="https://github.com/search?q=org%3Arust-lang+is%3Aissue+label%3AAsyncAwait-OnDeck+is%3Aopen&amp;type=Issues" target="_blank" title="https://github.com/search?q=org%3Arust-lang+is%3Aissue+label%3AAsyncAwait-OnDeck+is%3Aopen&amp;type=Issues">on deck issues</a> are only 3:</p>
<ul>
<li>Cannot await in scope that contains call to format! <a href="https://github.com/rust-lang/rust/issues/64960" target="_blank" title="https://github.com/rust-lang/rust/issues/64960">#64960</a></li>
<li>Lifetime bounds in auto trait impls prevent trait from being implemented on generators  <a href="https://github.com/rust-lang/rust/issues/64552" target="_blank" title="https://github.com/rust-lang/rust/issues/64552">#64552</a></li>
<li>An async fn which isn't Send but which should be?  <a href="https://github.com/rust-lang/rust/issues/63768" target="_blank" title="https://github.com/rust-lang/rust/issues/63768">#63768</a></li>
</ul>



<a name="177637589"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/187312-wg-async-foundations/topic/meeting%202019.10.08/near/177637589" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Vadim Petrochenkov <a href="https://rust-lang.github.io/zulip_archive/stream/187312-wg-async-foundations/topic/meeting.202019.2E10.2E08.html#177637589">(Oct 08 2019 at 17:17)</a>:</h4>
<p>The RFC was about removing the private-in-public lint, that's directly opposite to making it an error.</p>



<a name="177637633"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/187312-wg-async-foundations/topic/meeting%202019.10.08/near/177637633" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/187312-wg-async-foundations/topic/meeting.202019.2E10.2E08.html#177637633">(Oct 08 2019 at 17:17)</a>:</h4>
<p>exactly, <span class="user-mention" data-user-id="123856">@Vadim Petrochenkov</span> -- we are discussing if the FCW should just be removed entirely, rather than making it an error in the case of async fn</p>



<a name="177637657"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/187312-wg-async-foundations/topic/meeting%202019.10.08/near/177637657" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Vadim Petrochenkov <a href="https://rust-lang.github.io/zulip_archive/stream/187312-wg-async-foundations/topic/meeting.202019.2E10.2E08.html#177637657">(Oct 08 2019 at 17:17)</a>:</h4>
<p>Right now it's generally an error and sometimes a lint, where "sometimes" == "wasn't reported by an ancient version of the private-in-public checking pass"</p>



<a name="177637709"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/187312-wg-async-foundations/topic/meeting%202019.10.08/near/177637709" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/187312-wg-async-foundations/topic/meeting.202019.2E10.2E08.html#177637709">(Oct 08 2019 at 17:18)</a>:</h4>
<p>heh yes</p>



<a name="177637725"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/187312-wg-async-foundations/topic/meeting%202019.10.08/near/177637725" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/187312-wg-async-foundations/topic/meeting.202019.2E10.2E08.html#177637725">(Oct 08 2019 at 17:18)</a>:</h4>
<p>so maybe the proper fix is to implement <a href="https://github.com/rust-lang/rfcs/issues/2145" target="_blank" title="https://github.com/rust-lang/rfcs/issues/2145">rfc#2145</a>, basically</p>



<a name="177637746"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/187312-wg-async-foundations/topic/meeting%202019.10.08/near/177637746" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> centril <a href="https://rust-lang.github.io/zulip_archive/stream/187312-wg-async-foundations/topic/meeting.202019.2E10.2E08.html#177637746">(Oct 08 2019 at 17:18)</a>:</h4>
<p>anyways, since it doesn't seem like it should be made an error I think we don't do anything special for async fn then</p>



<a name="177637843"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/187312-wg-async-foundations/topic/meeting%202019.10.08/near/177637843" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/187312-wg-async-foundations/topic/meeting.202019.2E10.2E08.html#177637843">(Oct 08 2019 at 17:19)</a>:</h4>
<p><span class="user-mention" data-user-id="120134">@Giles Cope</span> so you mentioned wanting some work to do :)</p>



<a name="177637855"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/187312-wg-async-foundations/topic/meeting%202019.10.08/near/177637855" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/187312-wg-async-foundations/topic/meeting.202019.2E10.2E08.html#177637855">(Oct 08 2019 at 17:19)</a>:</h4>
<p>not sure <span class="user-mention" data-user-id="116773">@csmoe</span> if you also are looking for things</p>



<a name="177637952"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/187312-wg-async-foundations/topic/meeting%202019.10.08/near/177637952" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Vadim Petrochenkov <a href="https://rust-lang.github.io/zulip_archive/stream/187312-wg-async-foundations/topic/meeting.202019.2E10.2E08.html#177637952">(Oct 08 2019 at 17:20)</a>:</h4>
<blockquote>
<p>we are discussing if the FCW should just be removed entirely</p>
</blockquote>
<p>Ah, ok, we can remove it any moment - functions with leaked private types will be unusable.<br>
The only drawback will be no linting at the definition site, so it will be pretty easy for library authors to produce unusable function.</p>



<a name="177637953"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/187312-wg-async-foundations/topic/meeting%202019.10.08/near/177637953" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> csmoe <a href="https://rust-lang.github.io/zulip_archive/stream/187312-wg-async-foundations/topic/meeting.202019.2E10.2E08.html#177637953">(Oct 08 2019 at 17:20)</a>:</h4>
<blockquote>
<p>not sure <span class="user-mention silent" data-user-id="116773">csmoe</span> if you also are looking for things</p>
</blockquote>
<p>yep</p>



<a name="177637989"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/187312-wg-async-foundations/topic/meeting%202019.10.08/near/177637989" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/187312-wg-async-foundations/topic/meeting.202019.2E10.2E08.html#177637989">(Oct 08 2019 at 17:20)</a>:</h4>
<p>looking at the on-deck list, I kind of think we should remove "Cannot await in scope that contains call to format! <a href="https://github.com/rust-lang/rust/issues/64960" target="_blank" title="https://github.com/rust-lang/rust/issues/64960">#64960</a>" from the list, mostly because I sort of have no idea how we are going to fix in short term?</p>



<a name="177638047"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/187312-wg-async-foundations/topic/meeting%202019.10.08/near/177638047" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> centril <a href="https://rust-lang.github.io/zulip_archive/stream/187312-wg-async-foundations/topic/meeting.202019.2E10.2E08.html#177638047">(Oct 08 2019 at 17:21)</a>:</h4>
<p>Seems sensible</p>



<a name="177638071"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/187312-wg-async-foundations/topic/meeting%202019.10.08/near/177638071" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> centril <a href="https://rust-lang.github.io/zulip_archive/stream/187312-wg-async-foundations/topic/meeting.202019.2E10.2E08.html#177638071">(Oct 08 2019 at 17:21)</a>:</h4>
<p>Maybe <a href="https://github.com/rust-lang/rust/issues/62570" target="_blank" title="https://github.com/rust-lang/rust/issues/62570">https://github.com/rust-lang/rust/issues/62570</a> is a good issue to prioritize?</p>



<a name="177638142"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/187312-wg-async-foundations/topic/meeting%202019.10.08/near/177638142" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/187312-wg-async-foundations/topic/meeting.202019.2E10.2E08.html#177638142">(Oct 08 2019 at 17:22)</a>:</h4>
<p>Ah, I sort of remember -- I thought it <em>might</em> be the case that being more precise about what lives over an await might help with format in particular</p>



<a name="177638143"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/187312-wg-async-foundations/topic/meeting%202019.10.08/near/177638143" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> centril <a href="https://rust-lang.github.io/zulip_archive/stream/187312-wg-async-foundations/topic/meeting.202019.2E10.2E08.html#177638143">(Oct 08 2019 at 17:22)</a>:</h4>
<p>(given the prevalence of <code>?</code> + async)</p>



<a name="177638194"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/187312-wg-async-foundations/topic/meeting%202019.10.08/near/177638194" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/187312-wg-async-foundations/topic/meeting.202019.2E10.2E08.html#177638194">(Oct 08 2019 at 17:22)</a>:</h4>
<p>that sounds reasonable, I'm not sure if we have a vague idea how to fix?</p>



<a name="177638214"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/187312-wg-async-foundations/topic/meeting%202019.10.08/near/177638214" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> centril <a href="https://rust-lang.github.io/zulip_archive/stream/187312-wg-async-foundations/topic/meeting.202019.2E10.2E08.html#177638214">(Oct 08 2019 at 17:23)</a>:</h4>
<p>Basically I think we want to replace <code>a function</code> with <code>a closure</code>, <code>an async...</code></p>



<a name="177638219"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/187312-wg-async-foundations/topic/meeting%202019.10.08/near/177638219" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/187312-wg-async-foundations/topic/meeting.202019.2E10.2E08.html#177638219">(Oct 08 2019 at 17:23)</a>:</h4>
<p><span class="user-mention" data-user-id="120134">@Giles Cope</span> or <span class="user-mention" data-user-id="116773">@csmoe</span>, either of you interested in <a href="https://github.com/rust-lang/rust/issues/62570" target="_blank" title="https://github.com/rust-lang/rust/issues/62570">#62570</a>? It sounded like <span class="user-mention" data-user-id="119031">@Esteban Küber</span> had some thoughts from the issue comments</p>



<a name="177638245"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/187312-wg-async-foundations/topic/meeting%202019.10.08/near/177638245" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/187312-wg-async-foundations/topic/meeting.202019.2E10.2E08.html#177638245">(Oct 08 2019 at 17:23)</a>:</h4>
<p>ok, <span class="user-mention" data-user-id="126931">@centril</span> I think it'd be helpful to post with what you would like error message to say</p>



<a name="177638256"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/187312-wg-async-foundations/topic/meeting%202019.10.08/near/177638256" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> centril <a href="https://rust-lang.github.io/zulip_archive/stream/187312-wg-async-foundations/topic/meeting.202019.2E10.2E08.html#177638256">(Oct 08 2019 at 17:23)</a>:</h4>
<p>will do</p>



<a name="177638258"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/187312-wg-async-foundations/topic/meeting%202019.10.08/near/177638258" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Giles Cope <a href="https://rust-lang.github.io/zulip_archive/stream/187312-wg-async-foundations/topic/meeting.202019.2E10.2E08.html#177638258">(Oct 08 2019 at 17:23)</a>:</h4>
<p>if it's improved diagnostics that sounds cool with me</p>



<a name="177638260"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/187312-wg-async-foundations/topic/meeting%202019.10.08/near/177638260" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/187312-wg-async-foundations/topic/meeting.202019.2E10.2E08.html#177638260">(Oct 08 2019 at 17:23)</a>:</h4>
<p>from a quick read, I wasn't really clear on what the problem/fix was</p>



<a name="177638323"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/187312-wg-async-foundations/topic/meeting%202019.10.08/near/177638323" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/187312-wg-async-foundations/topic/meeting.202019.2E10.2E08.html#177638323">(Oct 08 2019 at 17:24)</a>:</h4>
<p>ok, assigning to <span class="user-mention" data-user-id="120134">@Giles Cope</span></p>



<a name="177638334"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/187312-wg-async-foundations/topic/meeting%202019.10.08/near/177638334" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Giles Cope <a href="https://rust-lang.github.io/zulip_archive/stream/187312-wg-async-foundations/topic/meeting.202019.2E10.2E08.html#177638334">(Oct 08 2019 at 17:24)</a>:</h4>
<p>in for a penny :-)</p>



<a name="177638353"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/187312-wg-async-foundations/topic/meeting%202019.10.08/near/177638353" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> centril <a href="https://rust-lang.github.io/zulip_archive/stream/187312-wg-async-foundations/topic/meeting.202019.2E10.2E08.html#177638353">(Oct 08 2019 at 17:24)</a>:</h4>
<p>the current message originates from:</p>
<div class="codehilite"><pre><span></span><span class="cp">#[rustc_on_unimplemented(</span>
<span class="cp">   on(all(</span>
<span class="cp">       any(from_method=</span><span class="s">&quot;from_error&quot;</span><span class="cp">, from_method=</span><span class="s">&quot;from_ok&quot;</span><span class="cp">),</span>
<span class="cp">       from_desugaring=</span><span class="s">&quot;QuestionMark&quot;</span><span class="cp">),</span>
<span class="cp">      message=</span><span class="s">&quot;the `?` operator can only be used in a \</span>
<span class="s">               function that returns `Result` or `Option` \</span>
<span class="s">               (or another type that implements `{Try}`)&quot;</span><span class="cp">,</span>
<span class="cp">      label=</span><span class="s">&quot;cannot use the `?` operator in a function that returns `{Self}`&quot;</span><span class="cp">),</span>
<span class="cp">   on(all(from_method=</span><span class="s">&quot;into_result&quot;</span><span class="cp">, from_desugaring=</span><span class="s">&quot;QuestionMark&quot;</span><span class="cp">),</span>
<span class="cp">      message=</span><span class="s">&quot;the `?` operator can only be applied to values \</span>
<span class="s">               that implement `{Try}`&quot;</span><span class="cp">,</span>
<span class="cp">      label=</span><span class="s">&quot;the `?` operator cannot be applied to type `{Self}`&quot;</span><span class="cp">)</span>
<span class="cp">)]</span><span class="w"></span>
</pre></div>



<a name="177638380"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/187312-wg-async-foundations/topic/meeting%202019.10.08/near/177638380" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/187312-wg-async-foundations/topic/meeting.202019.2E10.2E08.html#177638380">(Oct 08 2019 at 17:25)</a>:</h4>
<p>I'm marking <a href="https://github.com/rust-lang/rust/issues/64960" target="_blank" title="https://github.com/rust-lang/rust/issues/64960">https://github.com/rust-lang/rust/issues/64960</a> as assigned to me just to do a bit of digging</p>



<a name="177638391"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/187312-wg-async-foundations/topic/meeting%202019.10.08/near/177638391" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/187312-wg-async-foundations/topic/meeting.202019.2E10.2E08.html#177638391">(Oct 08 2019 at 17:25)</a>:</h4>
<p>(the format! thing)</p>



<a name="177638393"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/187312-wg-async-foundations/topic/meeting%202019.10.08/near/177638393" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/187312-wg-async-foundations/topic/meeting.202019.2E10.2E08.html#177638393">(Oct 08 2019 at 17:25)</a>:</h4>
<p>I don't think I'll have time to fix</p>



<a name="177638398"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/187312-wg-async-foundations/topic/meeting%202019.10.08/near/177638398" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/187312-wg-async-foundations/topic/meeting.202019.2E10.2E08.html#177638398">(Oct 08 2019 at 17:25)</a>:</h4>
<p>and don't plan on it</p>



<a name="177638404"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/187312-wg-async-foundations/topic/meeting%202019.10.08/near/177638404" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/187312-wg-async-foundations/topic/meeting.202019.2E10.2E08.html#177638404">(Oct 08 2019 at 17:25)</a>:</h4>
<p>I just want to evaluate what we <em>might</em> do</p>



<a name="177638426"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/187312-wg-async-foundations/topic/meeting%202019.10.08/near/177638426" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/187312-wg-async-foundations/topic/meeting.202019.2E10.2E08.html#177638426">(Oct 08 2019 at 17:25)</a>:</h4>
<p>anyway we still need something for <span class="user-mention" data-user-id="116773">@csmoe</span> :)</p>



<a name="177638558"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/187312-wg-async-foundations/topic/meeting%202019.10.08/near/177638558" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> centril <a href="https://rust-lang.github.io/zulip_archive/stream/187312-wg-async-foundations/topic/meeting.202019.2E10.2E08.html#177638558">(Oct 08 2019 at 17:26)</a>:</h4>
<p>I think we want:</p>
<div class="codehilite"><pre><span></span><span class="cp">#[rustc_on_unimplemented(</span>
<span class="cp">   on(all(</span>
<span class="cp">       any(from_method=</span><span class="s">&quot;from_error&quot;</span><span class="cp">, from_method=</span><span class="s">&quot;from_ok&quot;</span><span class="cp">),</span>
<span class="cp">       from_desugaring=</span><span class="s">&quot;QuestionMark&quot;</span><span class="cp">),</span>
<span class="cp">      message=</span><span class="s">&quot;the `?` operator can only be used in {ctx} \</span>
<span class="s">               that returns `Result` or `Option` \</span>
<span class="s">               (or another type that implements `{Try}`)&quot;</span><span class="cp">,</span>
<span class="cp">      label=</span><span class="s">&quot;cannot use the `?` operator in {ctx} that returns `{Self}`&quot;</span><span class="cp">),</span>
<span class="cp">   on(all(from_method=</span><span class="s">&quot;into_result&quot;</span><span class="cp">, from_desugaring=</span><span class="s">&quot;QuestionMark&quot;</span><span class="cp">),</span>
<span class="cp">      message=</span><span class="s">&quot;the `?` operator can only be applied to values \</span>
<span class="s">               that implement `{Try}`&quot;</span><span class="cp">,</span>
<span class="cp">      label=</span><span class="s">&quot;the `?` operator cannot be applied to type `{Self}`&quot;</span><span class="cp">)</span>
<span class="cp">)]</span><span class="w"></span>
</pre></div>


<p>but I have no idea how we can magically make <code>ctx</code> say the right thing</p>



<a name="177638645"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/187312-wg-async-foundations/topic/meeting%202019.10.08/near/177638645" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/187312-wg-async-foundations/topic/meeting.202019.2E10.2E08.html#177638645">(Oct 08 2019 at 17:27)</a>:</h4>
<p>Here is a list of <a href="https://github.com/search?q=org%3Arust-lang+is%3Aissue+label%3AAsyncAwait-Triaged+is%3Aopen+-label%3AAsyncAwait-OnDeck+-label%3AAsyncAwait-Focus&amp;type=Issues" target="_blank" title="https://github.com/search?q=org%3Arust-lang+is%3Aissue+label%3AAsyncAwait-Triaged+is%3Aopen+-label%3AAsyncAwait-OnDeck+-label%3AAsyncAwait-Focus&amp;type=Issues">other issues</a> that are neither on-deck nor focus</p>



<a name="177638655"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/187312-wg-async-foundations/topic/meeting%202019.10.08/near/177638655" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> centril <a href="https://rust-lang.github.io/zulip_archive/stream/187312-wg-async-foundations/topic/meeting.202019.2E10.2E08.html#177638655">(Oct 08 2019 at 17:27)</a>:</h4>
<p>Oh I know... <code>ctx</code> would just be the item context converted to English</p>



<a name="177638868"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/187312-wg-async-foundations/topic/meeting%202019.10.08/near/177638868" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/187312-wg-async-foundations/topic/meeting.202019.2E10.2E08.html#177638868">(Oct 08 2019 at 17:29)</a>:</h4>
<p>I'm skimming over issues here</p>



<a name="177638873"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/187312-wg-async-foundations/topic/meeting%202019.10.08/near/177638873" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/187312-wg-async-foundations/topic/meeting.202019.2E10.2E08.html#177638873">(Oct 08 2019 at 17:29)</a>:</h4>
<blockquote>
<p>Async-related type error messages defy expectations (in span location) <a href="https://github.com/rust-lang/rust/issues/65180" target="_blank" title="https://github.com/rust-lang/rust/issues/65180">#65180</a></p>
</blockquote>



<a name="177638933"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/187312-wg-async-foundations/topic/meeting%202019.10.08/near/177638933" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/187312-wg-async-foundations/topic/meeting.202019.2E10.2E08.html#177638933">(Oct 08 2019 at 17:30)</a>:</h4>
<p>this might be a good one, <span class="user-mention" data-user-id="116773">@csmoe</span> -- I don't really know what the problem is precisely, it'll take a little digging though</p>



<a name="177638952"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/187312-wg-async-foundations/topic/meeting%202019.10.08/near/177638952" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/187312-wg-async-foundations/topic/meeting.202019.2E10.2E08.html#177638952">(Oct 08 2019 at 17:30)</a>:</h4>
<blockquote>
<p>Unhelpful error message with async usage of Iterator <a href="https://github.com/rust-lang/rust/issues/63385" target="_blank" title="https://github.com/rust-lang/rust/issues/63385">#63385</a></p>
</blockquote>



<a name="177638965"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/187312-wg-async-foundations/topic/meeting%202019.10.08/near/177638965" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/187312-wg-async-foundations/topic/meeting.202019.2E10.2E08.html#177638965">(Oct 08 2019 at 17:30)</a>:</h4>
<p>similarly here I see a few like this</p>



<a name="177638974"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/187312-wg-async-foundations/topic/meeting%202019.10.08/near/177638974" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/187312-wg-async-foundations/topic/meeting.202019.2E10.2E08.html#177638974">(Oct 08 2019 at 17:30)</a>:</h4>
<p>but it'll also take some digging :)</p>



<a name="177639043"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/187312-wg-async-foundations/topic/meeting%202019.10.08/near/177639043" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/187312-wg-async-foundations/topic/meeting.202019.2E10.2E08.html#177639043">(Oct 08 2019 at 17:31)</a>:</h4>
<p>ok let's start with <a href="https://github.com/rust-lang/rust/issues/65180" target="_blank" title="https://github.com/rust-lang/rust/issues/65180">#65180</a> I guess</p>



<a name="177639049"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/187312-wg-async-foundations/topic/meeting%202019.10.08/near/177639049" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> csmoe <a href="https://rust-lang.github.io/zulip_archive/stream/187312-wg-async-foundations/topic/meeting.202019.2E10.2E08.html#177639049">(Oct 08 2019 at 17:31)</a>:</h4>
<blockquote>
<p>this might be a good one, <span class="user-mention silent" data-user-id="116773">csmoe</span> -- I don't really know what the problem is precisely, it'll take a little digging though</p>
</blockquote>
<p>thanks, I claim this <span aria-label="slight smile" class="emoji emoji-1f642" role="img" title="slight smile">:slight_smile:</span></p>



<a name="177639138"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/187312-wg-async-foundations/topic/meeting%202019.10.08/near/177639138" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/187312-wg-async-foundations/topic/meeting.202019.2E10.2E08.html#177639138">(Oct 08 2019 at 17:32)</a>:</h4>
<p>ok great, thanks all!</p>



<a name="177639140"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/187312-wg-async-foundations/topic/meeting%202019.10.08/near/177639140" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/187312-wg-async-foundations/topic/meeting.202019.2E10.2E08.html#177639140">(Oct 08 2019 at 17:32)</a>:</h4>
<p>FIN</p>



<hr><p>Last updated: Aug 07 2021 at 22:04 UTC</p>
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